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Bug 1048865 - Sync with upstream TwoWayView (r=mcomella)

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This commit is contained in:
Lucas Rocha 2014-08-06 15:52:15 +01:00
parent 4c951d170c
commit 373ef9ab3b
1 changed files with 30 additions and 45 deletions
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75
mobile/android/base/widget/TwoWayView.java
View File

@ -947,7 +947,7 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
if (distance < minDistance) {
minDistance = distance;
closetChildIndex = i;
closestChildStart = (mIsVertical ? other.getTop() : other.getLeft());
closestChildStart = getChildStartEdge(other);
}
}
}
@ -2086,7 +2086,7 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
final int selectedStart;
if (selectedView != null) {
selectedStart = (mIsVertical ? selectedView.getTop() : selectedView.getLeft());
selectedStart = getChildStartEdge(selectedView);
} else {
selectedStart = start;
}
@ -2275,7 +2275,7 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
if (needToRedraw) {
if (selectedView != null) {
positionSelector(selectedPos, selectedView);
mSelectedStart = selectedView.getTop();
mSelectedStart = getChildStartEdge(selectedView);
}
if (!awakenScrollbarsInternal()) {
@ -2733,15 +2733,14 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
int motionViewPrevStart = 0;
View motionView = this.getChildAt(motionIndex);
if (motionView != null) {
motionViewPrevStart = (mIsVertical ? motionView.getTop() : motionView.getLeft());
motionViewPrevStart = getChildStartEdge(motionView);
}
boolean atEdge = scrollListItemsBy(delta);
motionView = this.getChildAt(motionIndex);
if (motionView != null) {
final int motionViewRealStart =
(mIsVertical ? motionView.getTop() : motionView.getLeft());
final int motionViewRealStart = getChildStartEdge(motionView);
if (atEdge) {
final int overscroll = -delta - (motionViewRealStart - motionViewPrevStart);
@ -3928,9 +3927,7 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
switch (mLayoutMode) {
case LAYOUT_SET_SELECTION:
if (newSelected != null) {
final int newSelectedStart =
(mIsVertical ? newSelected.getTop() : newSelected.getLeft());
final int newSelectedStart = getChildStartEdge(newSelected);
selected = fillFromSelection(newSelectedStart, start, end);
} else {
selected = fillFromMiddle(start, end);
@ -3970,13 +3967,13 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
if (mSelectedPosition >= 0 && mSelectedPosition < mItemCount) {
int offset = start;
if (oldSelected != null) {
offset = (mIsVertical ? oldSelected.getTop() : oldSelected.getLeft());
offset = getChildStartEdge(oldSelected);
}
selected = fillSpecific(mSelectedPosition, offset);
} else if (mFirstPosition < mItemCount) {
int offset = start;
if (oldFirstChild != null) {
offset = (mIsVertical ? oldFirstChild.getTop() : oldFirstChild.getLeft());
offset = getChildStartEdge(oldFirstChild);
}
selected = fillSpecific(mFirstPosition, offset);
@ -4015,7 +4012,7 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
positionSelector(INVALID_POSITION, selected);
}
mSelectedStart = (mIsVertical ? selected.getTop() : selected.getLeft());
mSelectedStart = getChildStartEdge(selected);
} else {
if (mTouchMode > TOUCH_MODE_DOWN && mTouchMode < TOUCH_MODE_DRAGGING) {
View child = getChildAt(mMotionPosition - mFirstPosition);
@ -4168,7 +4165,7 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
if (newSelected != null) {
// Try to position the top of newSel (A) where it was before it was selected
final int newSelectedStart = (mIsVertical ? newSelected.getTop() : newSelected.getLeft());
final int newSelectedStart = getChildStartEdge(newSelected);
selected = makeAndAddView(selectedPosition, newSelectedStart, true, true);
} else {
// If (A) was not on screen and so did not have a view, position
@ -4415,14 +4412,14 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
selectedPosition = toPosition;
final View selected = getChildAt(selectedPosition - mFirstPosition);
selectedStart = (mIsVertical ? selected.getTop() : selected.getLeft());
selectedStart = getChildStartEdge(selected);
} else if (toPosition < firstPosition) {
// Default to selecting whatever is first
selectedPosition = firstPosition;
for (int i = 0; i < childCount; i++) {
final View child = getChildAt(i);
final int childStart = (mIsVertical ? child.getTop() : child.getLeft());
final int childStart = getChildStartEdge(child);
if (i == 0) {
// Remember the position of the first item
@ -4742,12 +4739,14 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
final int top;
final int left;
// Compensate item margin on the first item of the list if the item margin
// is negative to avoid incorrect offset for the very first child.
if (mIsVertical) {
top = offset;
top = offset - (mItemMargin < 0 && position == 0 && !flow ? mItemMargin : 0);
left = getPaddingLeft();
} else {
top = getPaddingTop();
left = offset;
left = offset - (mItemMargin < 0 && position == 0 && !flow ? mItemMargin: 0);
}
if (!mDataChanged) {
@ -4842,21 +4841,14 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
final int childCount = getChildCount();
if (down) {
final int paddingStart = (mIsVertical ? getPaddingTop() : getPaddingLeft());
final int start = getStartEdge();
final int lastEnd = getChildEndEdge(getChildAt(childCount - 1));
final int offset = (childCount > 0 ? lastEnd + mItemMargin : paddingStart);
final int offset = (childCount > 0 ? lastEnd + mItemMargin : start);
fillAfter(mFirstPosition + childCount, offset);
correctTooHigh(getChildCount());
} else {
final int end = getEndEdge();
final int firstStart;
if (mIsVertical) {
firstStart = getChildAt(0).getTop();
} else {
firstStart = getChildAt(0).getLeft();
}
final int firstStart = getChildStartEdge(getChildAt(0));
final int offset = (childCount > 0 ? firstStart - mItemMargin : end);
fillBefore(mFirstPosition - 1, offset);
correctTooLow(getChildCount());
@ -4870,13 +4862,9 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
while (nextOffset > start && pos >= 0) {
boolean isSelected = (pos == mSelectedPosition);
View child = makeAndAddView(pos, nextOffset, false, isSelected);
if (mIsVertical) {
nextOffset = child.getTop() - mItemMargin;
} else {
nextOffset = child.getLeft() - mItemMargin;
}
View child = makeAndAddView(pos, nextOffset, false, isSelected);
nextOffset = getChildStartEdge(child) - mItemMargin;
if (isSelected) {
selectedView = child;
@ -5084,8 +5072,7 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
return;
}
final View first = getChildAt(0);
final int firstStart = (mIsVertical ? first.getTop() : first.getLeft());
final int firstStart = getChildStartEdge(getChildAt(0));
final int start = getStartEdge();
final int end = getEndEdge();
@ -5133,13 +5120,12 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
return;
}
final View firstChild = getChildAt(0);
int delta = getChildStartEdge(getChildAt(0)) - getStartEdge();
int delta;
if (mIsVertical) {
delta = firstChild.getTop() - getPaddingTop() - mItemMargin;
} else {
delta = firstChild.getLeft() - getPaddingLeft() - mItemMargin;
// If item margin is negative we shouldn't apply it in the
// first item of the list to avoid offsetting it incorrectly.
if (mItemMargin >= 0 || mFirstPosition != 0) {
delta -= mItemMargin;
}
if (delta < 0) {
@ -5342,7 +5328,7 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
mSyncPosition = mNextSelectedPosition;
if (child != null) {
mSpecificStart = (mIsVertical ? child.getTop() : child.getLeft());
mSpecificStart = getChildStartEdge(child);
}
mSyncMode = SYNC_SELECTED_POSITION;
@ -5360,7 +5346,7 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
mSyncPosition = mFirstPosition;
if (child != null) {
mSpecificStart = (mIsVertical ? child.getTop() : child.getLeft());
mSpecificStart = getChildStartEdge(child);
}
mSyncMode = SYNC_FIRST_POSITION;
@ -5526,8 +5512,7 @@ public class TwoWayView extends AdapterView<ListAdapter> implements
// and the user wouldn't expect to end up somewhere else when
// they revisit the list even if its content has changed.
View child = getChildAt(0);
ss.viewStart = (mIsVertical ? child.getTop() : child.getLeft());
ss.viewStart = getChildStartEdge(getChildAt(0));
int firstPos = mFirstPosition;
if (firstPos >= mItemCount) {